Question 773086
Let {{{ x }}} = the amount he started with
He spent {{{ 1/4 }}} and then {{{ 1/2 }}} of his money
{{{ 1/4 + 1/2 = 3/4 }}}
He spent {{{ 3/4 }}}, so he has {{{ 1/4 }}} left
given:
{{{ 18 = (1/4)*x }}}
{{{ x = 72 }}}
He started with $72